Specifications

8200-M024-O1 Rev H y 205 Installation & Technical

INSTALLATION, CONT.

Serial I/O Cable Installation

The 205 indicator may be connected to a printer to record weight and associated data or it may

be connected to a remote display or even to a computer for transmission of weight data. The

weight data may be transmitted on demand (pressing the PRINT key or on receipt of a

command from the computer). Refer to the Setup, SIO Serial I/O section of this manual.

1. Remove the 12 acorn nuts securing the back panel to main housing, then loosen a gland

connector for the serial cable. Refer to Figure No. 2 for illustration of connector layout.

2. Slip the serial cable through the gland connector and into the enclosure.

3. Remove 2" of the outer insulation jacket then remove 1/4" of insulation from each of the

wires (refer to Figure No. 4).

4. Connect each of the wires to the Serial Data terminal block (P11) referring to Figure No. 7

for terminal block locations.

5. To terminate, first press down on the release bar for the terminal, insert the wire into the

opening then allow the release bar to return to its original position, locking the wire in place.

Repeat the procedure until all of the wires are in place.

BI-DIRECTIONAL SERIAL INTERFACE SERIAL OUTPUT

TERMINAL NO. Function TERMINAL NO. Function

1 TXD 1 - RS232 5 TXD 2 - RS232

2 RXD 1 - RS232 6 TXD 2 – 20 mA Active

3 TXD 1 – 20 mA Active 7 GROUND

4 GROUND

Optically Isolated Inputs

Included with the I/O are 4 programmable inputs that may be used to remotely (up to 100 feet)

initiate various functions within the indicator. These inputs are accessed via a terminal block

(P9) on the back of the PC board (see Figure No. 7). The 4 inputs are defined as follows:

TERMINAL NO.

Function

1 Gross

2 Print

3 Zero

4 Tare

5 Common

NOTE! The input must be connected to Gnd to initiate the function.